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/*
* Generic 32-bit unary floating-point operation. Provide an "instr"
* line that specifies an instruction that performs "s1 = op s0".
*
* for: int-to-float, float-to-int
*/
/* unop vA, vB */
mov r3, rINST, lsr #12 @ r3<- B
mov r9, rINST, lsr #8 @ r9<- A+
VREG_INDEX_TO_ADDR(r3, r3) @ r3<- &vB
flds s0, [r3] @ s0<- vB
FETCH_ADVANCE_INST(1) @ advance rPC, load rINST
and r9, r9, #15 @ r9<- A
$instr @ s1<- op
GET_INST_OPCODE(ip) @ extract opcode from rINST
VREG_INDEX_TO_ADDR(r9, r9) @ r9<- &vA
fsts s1, [r9] @ vA<- s1
GOTO_OPCODE(ip) @ jump to next instruction
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